Home / 7,790.54-11,685.83-3,110.93

Finding the Fourth Proportional to 7,790.54, 11,685.83 and 3,110.93

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Solution

The fourth proportional to 7,790.54, 11,685.83 and 3,110.93 is: 4,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.54 : 11,685.83 = 3,110.93 : x
  2. Step 2: Convert to fraction form
    7,790.54/11,685.83 = 3,110.93/x
  3. Step 3: Cross multiply
    7,790.54x = 11,685.83 × 3,110.93
  4. Step 4: Simplify right side
    7,790.54x = 36,353,754.35
  5. Step 5: Solve for x
    x = 36,353,754.35/7,790.54
  6. Step 6: Final answer
    x = 4,666.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.